Question

Find the smallest number by which 1890 must be multiplied so that the product becomes perfect square

Answer 1

Answer:

210

Step-by-step explanation:

1,890 = 3 × 3 × 3 × 2 × 5 × 7

to get a perfect square we need to multiply with 3 × 2 × 5 × 7 = 210

396900 is a perfect square